Justin Bieber Hitting on Rihanna?
Canadian singer Justin Bieber talks with singer Rihanna (R) as they sit courtside during the NBA All-Star basketball game in Los Angeles February 20, 2011.Reuters

Seems like 'We found love' singer Rihanna has a new admirer.

In a random post on Instagram, 'Boyfriend' singer Justin Bieber uploaded a picture of the Barbadian singer flaunting just a racy bra and immediately deleted it.

This move can put the 20-year-old pop superstar in a lot of trouble. While Rihanna revealed that she has no interest in the 'Baby' crooner and considers him as a younger brother, Bieber's hip-hop "bro" Chris Brown might take offence. Brown and Rihanna have had a stormy relationship with allegations of abuse.

Bieber posted the picture on Instagram 16 December with the caption "Happy Holidays". The message was viewed by his 23.8 million followers. Several commented and liked the post, which gave way to the rumours that Bieber had the hots for the "Umbrella" singer.

The post was soon taken down due to unknown reasons.

Fans, who had been hoping for a reunion between Bieber and his ex-girlfriend Selena Gomez, were clearly upset with the post. Some believed that the 'Baby' singer was "dissing his ex, Selena Gomez, and his good friend Chris Brown who has been in an on and off relationship with Rihanna for years."

This weird post might upset Bieber's close friend Brown as the 'Don't wake me up' singer has been very possessive about Rihanna throughout their relationship.

Meanwhile, a source close to the 28-year-old "S&M" goddess said referring to Bieber's post: "She thinks that's just too cute and flattering! She hearts Justin and is a big fan of his work but unfortunately she doesn't think he was being anything but sweet and nice. Besides, Rihanna's a big girl. She don't know if Justin's ready for all she's got," HollywoodLife.com reports.

Another source said: "She's picky about height and said 'I want to pinch Justin's cheeks but that's it. He's cute but you got to be at least six feet tall to ride this ride."

In a separate incident, Bieber's on-agian, off-again girlfriend Selena Gomez "cried and threw a fit" over him at Taylor Swift's 25th birthday bash.

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